Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ROSANNA OHANJANIAN PH.D.
NPI 1164480430
Psychologist - Clinical in Mountain View, CA

Q: What is Rosanna Ohanjanian's NPI number?

The NPI number for Rosanna Ohanjanian is 1164480430. It was assigned to this individual provider in the NPPES registry on May 3, 2006. The provider is also known as Rouzanna, Ruzanna Ohanjanian.

Q: What is Rosanna Ohanjanian's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: Is Rosanna Ohanjanian enrolled in Medicare?

No. Rosanna Ohanjanian has opted out of Medicare through May 17, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Active since May 03, 2006Opted out of Medicare · through May 17, 2027

1451 GRANT RD, MOUNTAIN VIEW, CA 94040(650) 941-7101(801) 705-1948 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Rosanna Ohanjanian Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROSANNA OHANJANIAN PH.D. (NPI 1164480430) is an individual clinical provider in Mountain View, California, licensed in California (PSY16240) and active in the NPI registry since May 2006. She has opted out of Medicare through May 17, 2027.

NPPES Registry Identity

NPI1164480430

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameROSANNA OHANJANIANCredential: PH.D.

Location Address1451 GRANT RDMountain View, CA 94040-3250

Mailing Address1189 Capri DrCampbell, CA 95008-6061 · (650) 888-8907 · Fax (801) 705-1948

Phone(650) 941-7101

Fax(801) 705-1948

Sole ProprietorNo

Enumeration DateMay 3, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1164480430 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in CA · PSY16240

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

1451 GRANT RD, Mountain View, CA 94040

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Other Names 1

Other Name (5)Rouzanna, Ruzanna Ohanjanian

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Rosanna Ohanjanian Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from May 17, 2021 through May 17, 2027.

Opt-Out Effective DateMay 17, 2021

Opt-Out In Effect ThroughMay 17, 2027Opt-out affidavits renew automatically every two years unless cancelled

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rosanna Ohanjanian's NPI number?

The NPI number for Rosanna Ohanjanian is 1164480430. It was assigned to this individual provider in the NPPES registry on May 3, 2006. The provider is also known as Rouzanna, Ruzanna Ohanjanian.

Where is Rosanna Ohanjanian located?

Rosanna Ohanjanian practices at 1451 Grant Rd, Mountain View, CA 94040. The listed phone number is (650) 941-7101.

What is Rosanna Ohanjanian's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Rosanna Ohanjanian enrolled in Medicare?

No. Rosanna Ohanjanian has opted out of Medicare through May 17, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Rosanna Ohanjanian was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.